Home / 28,916,659,758.20-43,374,989,637.30-20,100,691,297.40

Finding the Fourth Proportional to 28,916,659,758.20, 43,374,989,637.30 and 20,100,691,297.40

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Solution

The fourth proportional to 28,916,659,758.20, 43,374,989,637.30 and 20,100,691,297.40 is: 30,151,036,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916,659,758.20 : 43,374,989,637.30 = 20,100,691,297.40 : x
  2. Step 2: Convert to fraction form
    28,916,659,758.20/43,374,989,637.30 = 20,100,691,297.40/x
  3. Step 3: Cross multiply
    28,916,659,758.20x = 43,374,989,637.30 × 20,100,691,297.40
  4. Step 4: Simplify right side
    28,916,659,758.20x = 871,867,276,727,291,478,016
  5. Step 5: Solve for x
    x = 871,867,276,727,291,478,016/28,916,659,758.20
  6. Step 6: Final answer
    x = 30,151,036,946.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.